Table 2 Ethylene glycol loads on the LOS using different methods of estimation.
From: Detection and quantification of water-based aerosols using active open-path FTIR
Measured/predicted concentration/load | |||||
---|---|---|---|---|---|
Event 1 | Event 2 | Event 3 | Event 4 | Event 5 | |
Sprayed solution | 0.47%wt | 0.57%wt | 0.95%wt | 1.58%wt | 2.38%wt |
Collected droplets | 0.48%wt | 0.60%wt | 1.00%wt | 1.65%wt | 2.58%wt |
Direct estimation- gaseous ethylene glycol | 0.097 mg/m | 0.142 mg/m | 0.158 mg/m | 0.307 mg/m | 0.404 mg/m |
Offline estimation- condense ethylene glycol (app.#1) | 0.051 mg/m | 0.063 mg/m | 0.106 mg/m | 0.174 mg/m | 0.271 mg/m |
Direct estimation- condense ethylene glycol (app.#2) | 0.029 mg/m | 0.043 mg/m | 0.068 mg/m | 0.072 mg/m | 0.142 mg/m |
Indirect estimation- condense ethylene glycol (app.#3) | 0.050 mg/m | 0.060 mg/m | 0.100 mg/m | 0.166 mg/m | 0.250 mg/m |